thank you for being here with us. i'm brian williams. lester holt will be here with you this weekend. we, of course, hope to see you right back here on monday night. in the meantime, have a great weekend. good night. >>> right now 6:00 a teenager's body is found in a local park and within the last hour new information, good evening, i'm raj mathai. >> i'm jessica aguirre. we begin with the latest development out of a story out of fair field. the body of a teenaged girl discovered at a popular park. within the last hour police determined who she is. the girl's body found naked in the parking lot. nbc bay area's jean elle joins us with details. jean? >> reporter: jessica, city and fair field police are now both working this case. that young girl was found here in allen park. her body was found around 6:45 this evening. but the girl was found with no clothes on. authorities were able to identify her after an autopsy. they're not saying how she died but say there are no obvious signs of trauma. her death is being investigated as a homicide.